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Traffic signal in Scott Circle
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Greenbelt interlocking
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College Park interlocking [01]
![College Park interlocking [01]](../../../../i/upload/2024/07/15/20240715141119-0c23af03-cu_s9999x250.jpg "College Park interlocking [01] (1980 visits) Interlocking south of the College Park-University of Maryland station, on the Green Line of the Wash...")
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College Park interlocking [02]
![College Park interlocking [02]](../../../../i/upload/2024/07/15/20240715141123-5fa6adc8-cu_s9999x250.jpg "College Park interlocking [02] (2692 visits) Interlocking south of the College Park-University of Maryland station, on the Green Line of the Wash...")
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Metro D Route pocket track [02]
![Metro D Route pocket track [02]](../../../../i/upload/2024/07/15/20240715141423-2fe25243-cu_s9999x250.jpg "Metro D Route pocket track [02] (2767 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
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Interlocking signal at Anacostia station
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Traffic light along M Street NW
